Module: GroupedReader

Defined in:
lib/grouped_reader.rb

Defined Under Namespace

Modules: InstanceMethods

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/grouped_reader.rb', line 3

def self.included(base)
  base.class_eval {
    has_many :memberships
    has_many :groups, :through => :memberships
    accepts_nested_attributes_for :memberships

    include InstanceMethods
    alias_method_chain :activate!, :group
    alias_method_chain :send_functional_message, :group
    
    named_scope :in_groups, lambda { |groups| 
      {
        :select => "readers.*",
        :joins => "INNER JOIN memberships as mm on mm.reader_id = readers.id", 
        :conditions => ["mm.group_id IN (#{groups.map{'?'}.join(',')})", *groups.map{|g| g.is_a?(Group) ? g.id : g}],
        :group => "mm.reader_id"
      }
    }
  }
end